ISS017-S-002B (14 Feb. 2008) --- Russian Federal Space Agency cosmonauts Sergei Volkov (center), Expedition 17 commander; Oleg Kononenko, flight engineer; and astronaut Greg Chamitoff (left), flight engineer, take a break from training at NASA's Johnson Space Center to pose for a crew portrait. Volkov and Kononenko will launch to the International Space Station in the Soyuz TMA-12 spacecraft from the Baikonur Cosmodrome in Kazakhstan in April for a six-month mission. Chamitoff is scheduled to launch to the station on the STS-124 mission of Discovery in June, joining Expedition 17 in progress.